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Mohorovičić discontinuity Line breaks: Moho|ro¦vi¦čić dis|con¦tinu|ity
Pronunciation: /ˌməʊhəˌrəʊvɪtʃɪtʃ ˌdɪskɒntɪˈnjuːɪti/

Definition of Mohorovičić discontinuity in English:


The boundary surface between the earth’s crust and the mantle, lying at a depth of about 10-12 km under the ocean bed and 40-50 km under the continents.
Example sentences
  • The sharp boundary between the crust and mantle is called the Mohorovicic discontinuity or Moho.
  • Wide-angle reflection and refraction seismic data can be used to image the Mohorovicic discontinuity and provide information on the velocity structure and physical properties of the crust.
  • These values suggest that the Mohorovicic discontinuity remains relatively deep, 40 to 45 km, beneath western half of the transect.


1930s: named after Andrija Mohorovičić (1857–1936), Yugoslav seismologist.

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